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Finding the Fourth Proportional to 456,691.34, 630,235.25 and 252,756.32

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Solution

The fourth proportional to 456,691.34, 630,235.25 and 252,756.32 is: 348,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,691.34 : 630,235.25 = 252,756.32 : x
  2. Step 2: Convert to fraction form
    456,691.34/630,235.25 = 252,756.32/x
  3. Step 3: Cross multiply
    456,691.34x = 630,235.25 × 252,756.32
  4. Step 4: Simplify right side
    456,691.34x = 159,295,942,524.28
  5. Step 5: Solve for x
    x = 159,295,942,524.28/456,691.34
  6. Step 6: Final answer
    x = 348,804.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.